ADB probing

[Benjamin Herrenschmidt]

On Thu, Oct 7, 1999, Michael Schmitz
<schmitz at opal.biophys.uni-duesseldorf.de> wrote:

>I'd rather not poll the ADB bus if it can be avoided. How does MacOS detect
>a new mouse device? But you could always force a bus reset and rescan via 
>/dev/adb. 

Be careful that the bus reset will cause an automatic re-probing and
re-init of the bus and devices by the drivers in mac_keyb.c. (This way,
we could make a userland tool that sends the bus reset and have a real
hot-swap ADB, just reset the bus after the hot swap). This feature is
mainly used by the sleep code for now.

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